WEL may refer to:

• WEL Networks, a New Zealand electricity distribution company
• Welteislehre, a cosmological theory proposed by Austrian Hans Hörbiger
• Women's Electoral Lobby, an Australian feminist lobby group

The Wel is a river in Poland. It flows out of the Great Dabrowa and Little Dabrowa lakes near Dabrówno, following a course of 118 km first that goes southwest and then north. It is a tributary of the Drweca river, ending at Bratian. Lidzbark Welski is the largest town on the Wel.